Miso-Imbued Tofu Soup with Hidden Dashi Base

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A silky miso soup where the dashi base is hidden in the broth, creating a deep umami flavor that emerges with each spoonful. This japanese-inspired soups (vegetarian) ready in about 25 minutes pairs block silken tofu, dashi powder, miso paste for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 15 min Serves 2 Japanese cuisine 150 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 1/4 sheet kombu in a small saucepan and add 4 cups water. Bring to a gentle simmer over low heat for 10 minutes, then remove the kombu.
  2. Step 2: Stir 1 tsp dashi powder into the hot broth until dissolved, then bring to a bare simmer.
  3. Step 3: Cut 1/2 block silken tofu into 1/2-inch cubes and add to the broth. Simmer gently for 3 minutes to heat through.
  4. Step 4: Whisk 2 tbsp miso paste with 2 tbsp of the hot broth in a small bowl until smooth, then stir it into the soup.
  5. Step 5: Simmer for 1 more minute without boiling to prevent the miso from losing flavor, then sprinkle with 2 tbsp thinly sliced green onions before serving.

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Frequently asked questions

How long does Miso-Imbued Tofu Soup with Hidden Dashi Base take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Miso-Imbued Tofu Soup with Hidden Dashi Base?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep block silken tofu from drying out.

Can I substitute ingredients in Miso-Imbued Tofu Soup with Hidden Dashi Base?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Miso-Imbued Tofu Soup with Hidden Dashi Base for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Miso-Imbued Tofu Soup with Hidden Dashi Base vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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